package cn.gok.studentsystem.handle;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;


@Slf4j
@Component
public class MybatiasPlusHandler implements MetaObjectHandler{
        // 插入时的填充策略
        @Override
        public void insertFill(MetaObject metaObject) { log.info("start insert fill ");
            // setFieldValByName(String fieldName, Object fieldVal, MetaObject metaObject
            this.setFieldValByName("createTime",new Date(),metaObject);
            this.setFieldValByName("updateTime",new Date(),metaObject);
        }
        // 更新时的填充策略
        @Override
        public void updateFill(MetaObject metaObject) { log.info("start update fill ");
            this.setFieldValByName("updateTime",new Date(),metaObject);
        }

    }
